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How do I change the default location for Git Bash on Windows?
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Right cd-to-home was overriding my start in value. all sorted now.
– JayPex
Jan 10 '17 at 12:43
4
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Get current batchfile directory
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System read-only variable %CD% keeps the path of the caller of the batch, not the batch file location.
You can get the name of the batch script itself as typed by the user with %0 (e.g. scripts\mybatch.bat). Parameter extensions can be applied to this...
How do you match only valid roman numerals with a regular expression?
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You can use the following regex for this:
^M{0,4}(CM|CD|D?C{0,3})(XC|XL|L?X{0,3})(IX|IV|V?I{0,3})$
Breaking it down, M{0,4} specifies the thousands section and basically restrains it to between 0 and 4000. It's a relatively simple:
0: <empty> matched by M{0}
1000: ...
与复制构造函数相关的错误.例如:0x77D9FCAA (ntdll.dll) (prog31.exe 中)处...
...ndl;
return 0;
}
这里因为可以由三法则(Rule of Three)即一个类如果需要析构函数，则该类几乎也必然需要定义自己的复制构造函数和赋值操作符解释。重新运行程序，即可得到正确结果并避免堆损坏错误。
复制构造函数 堆损...
What is the difference between save and insert in Mongo DB?
...ed" : 1 })
db.fruit.find();
{
"_id" : ObjectId("53fa1809132c1f084b005cd0"),
"color" : "red",
"shape" : "round",
"name" : "apple"
}
Save an apple with _id of previously saved apple
db.fruit.save(
{"_id" : ObjectId("53fa1809132c1f084b005cd0"),"name":"apple",
"color":"real red","s...
Pandas - How to flatten a hierarchical index in columns
...ol in df.columns.values]
Out[11]:
['USAF',
'WBAN',
'day',
'month',
's_CD sum',
's_CL sum',
's_CNT sum',
's_PC sum',
'tempf amax',
'tempf amin',
'year']
share
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improve this answer
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How can I open a cmd window in a specific location?
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This might be what you want:
cmd /K "cd C:\Windows\"
Note that in order to change drive letters, you need to use cd /d. For example:
C:\Windows\System32\cmd.exe /K "cd /d H:\Python\"
(documentation)
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PowerShell: Run command from script's directory
...'re single-threaded, $PWD isn't always a legal CurrentDirectory (you might CD into the registry provider for instance).
If you want to put it into your prompt (which would only run in the main runspace, single-threaded), you need to use:
[Environment]::CurrentDirectory = Get-Location -PSProvider ...
sendmail: how to configure sendmail on ubuntu? [closed]
...you to add smtp relay to sendmail:
#Change to your mail config directory:
cd /etc/mail
#Make a auth subdirectory
mkdir auth
chmod 700 auth
#Create a file with your auth information to the smtp server
cd auth
touch client-info
#In the file, put the following, matching up to your smtp server:
Auth...
Detach many subdirectories into a new, separate Git repository
...repo is: original_repo
1 - Split apps:
git clone original_repo apps-repo
cd apps-repo
git filter-branch --prune-empty --subdirectory-filter apps master
2 - Split libs
git clone original_repo libs-repo
cd libs-repo
git filter-branch --prune-empty --subdirectory-filter libs master
Continue if y...